为什么要当警察 英语作文 When I grow up I want to be a policeman (or policewoman). I want to be a policeman because I believe police is the symbol of justice. Without Policemen keep our society in orde...
参考提纲：发明改变了世界，改变了人们的生活,我所认为的最伟大的发明： I think the most important modern invention is the Internet. With the Internet, we can do many things. For example, we can shop, lea...
